FROM TOUCH TO STRING VIBRATIONS .2. THE MOTION OF THE KEY AND HAMMER

被引：41

作者：

ASKENFELT, A

JANSSON, EV

机构：

[1] Department of Speech Communication and Music Acoustics, Royal Institute of Technology (KTH), S-10044, Stockholm

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 1991年 / 90卷 / 05期

关键词：

D O I：

10.1121/1.402043

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This article describes an experimental study of the motion of the grand piano key and hammer. The motions were registered by means of an optical position measuring system. The measurements include typical key and hammer motions at different dynamic levels and for different types of ''touch.'' Also, the accelerating force on the hammer before release (''let-off''), and the following free motion of the hammer were investigated. Resonances in the hammer were detected and examined by modal analysis. A possible influence of the pianist's touch on the string vibrations via the hammer resonances is discussed.

引用

页码：2383 / 2393

页数：11

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